Write about the emotions you fear the most.
You were born with the seeds of your talent, the ability to observe the world around you and weave piece of it into a story. I believe that most -- if not all -- people are born with these seeds. What separates the writers from the non-writers is that the writers actually sit down and, you know... write.
I watch some kids ask the cafeteria ladies to sign their books. What do they write: "Hope your chicken patties never bleed?" Or, maybe, "May your Jell-O always wiggle?
If I can write a book that will help the world make a little more sense to a teen, then that's why I was put on the planet.